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  1. #1
    Iskatel is offline Member
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    Default Minimization, Maximum Likelihood open source package

    Hi all,

    I have just started using Java. I was wondering if anyone can suggest a reliable package for performing function minimization or obtaining maximum likelihood estimates for statistical distributions.

    Thanks,
    R2

  2. #2
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    sukatoa is offline Senior Member
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    commercial: MATLAB Builder JA 2.1

    opensource: Apache Commons MATH
    freedom exists in the world of ideas

  3. #3
    Iskatel is offline Member
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    Thank you Sukatao,

    I actually found a list of numerical computation algorithms for Java:
    Java Numerics: Main

    Apache Commons Math seems to have all the necessary stuff, and probably the only one that has active developers (not sure though).

    There is also Mantissa and Colt libraries. The development of these seems to be stalled.

    I wonder if I use older libraries will there be a compatibility issues?!

    I have another question along these lines:

    What is a good open source library for producing graphs including 3D graphs?

    I will do my research on this, but it is always nice to hear from people who have tried it out.

    With many thanks,
    R2

  4. #4
    Iskatel is offline Member
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    Default

    Forgot to mention:

    There is GNU's Scientific Library: GLS. This is for C and C++. I doubt this can be used in Java?! If it can be used will this compromise the portability of the code?

  5. #5
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    sukatoa is offline Senior Member
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    Forgot to mention:

    There is GNU's Scientific Library: GLS. This is for C and C++. I doubt this can be used in Java?! If it can be used will this compromise the portability of the code?
    You can deal with it using JNI


    What is a good open source library for producing graphs including 3D graphs?
    How about JFreeChart ?
    freedom exists in the world of ideas

  6. #6
    Iskatel is offline Member
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    Thank you Sukatoa! I think JFreeChart should do the job!

  7. #7
    Iskatel is offline Member
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    I am struggling to find examples of applying ApacheCommonsMath's DirectSearchClass or related classes. Any ideas?

  8. #8
    Iskatel is offline Member
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    Update: if anybody is interested in similar subject:
    Michael Thomas Flanagan's scientific library offers better documentation and code examples. It seemed to me to be easier to apply as well compared to Apache Commons Math. Plus, it seems that people from academia are reviewing and using it regularly.
    Michael Thomas Flanagan's Scientific Library:
    Michael Thomas Flanagan's Java Scientific and Numerical Library

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